The news of the mass shooting in Aurora on Thursday night horrified people across the country and devastated families whose children, parents and siblings were killed or injured.

As the story spread, a flurry of shock and sadness flooded Twitter and Facebook. Many people were quick to point out that this isn't the first mass shooting the US has seen and messages of support soon followed from people who had been through similar tragedies, including several Columbine survivors:

Jessica Hollingshead (@Jessican_DC)

Reading 1st person accounts of Aurora is an instant flashback to Columbine. I was in HS in CO at the time. It's framed my narrative

As part of our people's panel on the Aurora tragedy, we want to hear from you: have you experienced trauma firsthand? How did you cope? What advice would you have for the families in Aurora? Tell us about your experience and how you dealt with it. We're interested in hearing about what happened and how you got through it.

Fill out the form below and we'll publish your responses as part of our coverage on the aftermath of the Aurora shooting.